Home / 28,512.02-42,753.42-15,192.60

Finding the Fourth Proportional to 28,512.02, 42,753.42 and 15,192.60

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Solution

The fourth proportional to 28,512.02, 42,753.42 and 15,192.60 is: 22,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512.02 : 42,753.42 = 15,192.60 : x
  2. Step 2: Convert to fraction form
    28,512.02/42,753.42 = 15,192.60/x
  3. Step 3: Cross multiply
    28,512.02x = 42,753.42 × 15,192.60
  4. Step 4: Simplify right side
    28,512.02x = 649,535,608.69
  5. Step 5: Solve for x
    x = 649,535,608.69/28,512.02
  6. Step 6: Final answer
    x = 22,781.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.